sonic-buildimage/files/build_templates/syncd.service.j2

[Unit]
Description=syncd service
Requires=database.service updategraph.service
{% if sonic_asic_platform == 'broadcom' %}
Requires=opennsl-modules-4.9.0-9-amd64.service
{% elif sonic_asic_platform == 'nephos' %}
Requires=nps-modules-4.9.0-9-amd64.service
{% endif %}
After=database.service updategraph.service
After=interfaces-config.service
{% if sonic_asic_platform == 'broadcom' %}
After=opennsl-modules-4.9.0-9-amd64.service
{% elif sonic_asic_platform == 'nephos' %}
After=nps-modules-4.9.0-9-amd64.service
{% endif %}
After=swss.service
Before=ntp-config.service

[Service]
User=root
Environment=sonic_asic_platform={{ sonic_asic_platform }}
ExecStartPre=/usr/local/bin/syncd.sh start
ExecStart=/usr/local/bin/syncd.sh wait
ExecStop=/usr/local/bin/syncd.sh stop
{% if sonic_asic_platform == 'mellanox' %}
TimeoutStartSec=150
{% endif %}

[Install]
WantedBy=multi-user.target